Concepedia

Studies with Alkylheteroaromatic π‐Deficient Compounds: Novel Synthesis of Thieno[3,4‐<i>d</i>]pyridazines and Phthalazines

Mohamed Hilmy Elnagdi, A. M. NEGM, Ayman W. Erian

Liebigs Annalen der Chemie · 1989 · 50 citations · 2 references

DOI

Concepts

Abstract

Abstract Ethyl 1‐aryl‐5‐cyano‐1,6‐dihydro‐4‐methyl‐6‐oxo‐3‐pyridazinecarboxylates 1 react with elemental sulphur in ethanolic basic solutions to yield thieno[3.4‐ d ]pyridazines 2 . Compounds 2 readily react with electron‐deficient olefins to yield phthalazines.

References

2

Studies on alkylheteroaromatic compounds. The reactivity of alkyl polyfunctionally substituted azines towards electrophilic reagents

Mohamed Hilmy Elnagdi, Fathy M. Abdelrazek, Nadia Sobhy Ibrahim et al. · Tetrahedron · 1989 · 54 citations

, , +8

Studies with heteroaromatic Aza compounds: A novel synthesis of phthalazines

Mohamed Hilmy Elnagdi, Nadia Sobhy Ibrahim, Kamal Usef Sadek et al. · Liebigs Annalen der Chemie · 1988 · 32 citations

, , +7